ApetureScienceCentre

Hello. For all those that played Portal by Valve. This is an interesting site : ApertureScience

Just type "Login" then type the username and password that is written in the secret room in the game. If you missed it, it looks something like this :
If you can't read it. It says:
Username : cjohnson
Password : tier3

When logged in, type "Help" and you can see a bunch of things to type and do. There you go. Goodbye.